The ornamental design for a brassiere with pocket, as shown and described.
FIG. 1 is a front perspective view of a brassiere with pocket (with closed pocket) according to the design;
FIG. 2 is a front perspective view of a brassiere with pocket (with open pocket) according to the design;
FIG. 3 is a left side elevation view thereof;
FIG. 4 is a right side elevation view thereof;
FIG. 5 is a front elevation view thereof;
FIG. 6 is a rear elevation view thereof;
FIG. 7 is a top plan view thereof;
FIG. 8 is a bottom plan view thereof; and,
FIG. 9 is a top plan view thereof with the pockets spread open.
The brassiere, zipper head and zipper teeth shown in broken lines are unclaimed features of the article in which the design is embodied that form no part of the claim.